EP3093552B1 - Connecteur pour un dispositif d'éclairage et procédé correspondant - Google Patents

Connecteur pour un dispositif d'éclairage et procédé correspondant Download PDF

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Publication number
EP3093552B1
EP3093552B1 EP16168178.8A EP16168178A EP3093552B1 EP 3093552 B1 EP3093552 B1 EP 3093552B1 EP 16168178 A EP16168178 A EP 16168178A EP 3093552 B1 EP3093552 B1 EP 3093552B1
Authority
EP
European Patent Office
Prior art keywords
connector
lighting devices
modules
light radiation
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16168178.8A
Other languages
German (de)
English (en)
Other versions
EP3093552A1 (fr
Inventor
Alberto ZANOTTO
Simon BOBBO
Valerio MICHIELAN
Andrea Morra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Osram SpA
Original Assignee
Osram GmbH
Osram SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osram GmbH, Osram SpA filed Critical Osram GmbH
Publication of EP3093552A1 publication Critical patent/EP3093552A1/fr
Application granted granted Critical
Publication of EP3093552B1 publication Critical patent/EP3093552B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts

Definitions

  • the present description relates to lighting devices.
  • One or more embodiments may refer to lighting devices employing electrically powered light radiation sources, for example solid-state light radiation sources such as LED sources.
  • elongate lighting devices which comprise an elongate carrier structure, which may be flexible, on which electrically powered light radiation sources are mounted sequentially.
  • the latter may be comprised e.g. of solid-state light radiation sources, e.g. LED sources, which are distributed on the carrier as a linear array with constant pitch.
  • the light radiation sources may be separated by a wider distance than the pitch of the sources provided on the modules being mutually connected. This may lead to an irregularity of the light flux emitted by the device (in other words, a region which is at least slightly darker than the rest of the device), which is perceived negatively.
  • the present invention relates to a connector according to the preamble of claim 1, which is known, e.g. from EP 2157357 A1 and US 2012/001554 A1 .
  • One or more embodiments aim at overcoming the previously described drawback.
  • said object is achieved thanks to a connector having the features specifically set forth in the claims that follow.
  • One or more embodiments may also concern a corresponding method.
  • the Figures show the possibility of implementing composite or modular lighting devices by mutually coupling, at mutually facing ends, a plurality of elongate ribbon-shaped modules M, comprising a carrier on which there are mounted electrically powered light radiation sources L, such as solid-state light radiation sources, e.g. LEDs.
  • electrically powered light radiation sources L such as solid-state light radiation sources, e.g. LEDs.
  • Such elongate modules M may be implemented either as bars or - according to an increasingly widespread configuration - as flexible ribbon-shaped elements which are named "flex" modules, adapted to modify their shape.
  • sources L may be distributed along each module M with a uniform pitch.
  • connection between the second and the third module e.g. due to the presence of electrical power supply connectors K1, K2
  • there may arise a modification in the spacing pitch from one light radiation source L to another so that at the connection there may be e.g. a pitch which is wider than the pitch of sources L on the individual modules M.
  • One or more embodiments may be adapted to counter the possible appearance of such "shadow areas" by using a connector 10 having:
  • such a result may be achieved via a light emission region of an "active" type, i.e. by mounting, onto connector body 10 in that region, at least one light radiation source 12.
  • the source may comprise, in one or more embodiments, an electrically powered radiation source 12 such as a solid-state light radiation source, e.g. a LED source, which is substantially similar to sources L arranged on modules M connected through connector 10.
  • an electrically powered radiation source 12 such as a solid-state light radiation source, e.g. a LED source, which is substantially similar to sources L arranged on modules M connected through connector 10.
  • the size of connector 10 and the mounting position of source 12 may be chosen so that, when two modules M are connected to each other via connector 10, as exemplified in Figures 2 to 4 , the distribution of sources L (on modules M) and 12 (on module 10) may have a substantially constant pitch, so as to avoid lacks of uniformity in the light flux emitted by the device, when it is energized.
  • connector 10 may be implemented as a body having an at least approximately tubular shape (e.g. a parallelepid) with openings at the opposed ends 10a, 10b, wherein it is possible to insert the facing ends of modules M connected via connector 10, so that the connector may be coupled with the mutually facing ends of modules M coupled to each other.
  • tubular shape e.g. a parallelepid
  • Figures 2 to 4 exemplify the presence of electrical cables K1, K2, which e.g. enable to supply source 12 and/or to provide for the electrical supply to sources L provided on modules M through electrical contacts, e.g. sliding contacts, which are not visible in these Figures but which may be e.g. substantially similar to connectors 141, 142 shown in Figure 11 with reference to the embodiments exemplified therein.
  • electrical cables K1, K2 which e.g. enable to supply source 12 and/or to provide for the electrical supply to sources L provided on modules M through electrical contacts, e.g. sliding contacts, which are not visible in these Figures but which may be e.g. substantially similar to connectors 141, 142 shown in Figure 11 with reference to the embodiments exemplified therein.
  • Source 12 (which may optionally comprise an array, e.g. a focused array, of single LEDs) enables the achievement of a uniform light emission along the whole length of the lighting device.
  • source 12 may be fed via an electrical drive circuit integrated in connector 10, which in turn can be supplied by cables K1, K2, so that source 12 exhibits the same brightness as the other sources L.
  • a drive circuit may be regulated by a resistor having a variable value, so as to obtain a fine adjustment of the brightness level.
  • connectors 10 may be provided having a pitch and/or brightness features corresponding to sources L arranged on modules M.
  • connector 10 may be implemented so that it comprises, between opposing ends 10a, 10b, a region emitting a light radiation propagating from sources L arranged on modules M, so that connector 10 may not comprise a light radiation source.
  • FIGS 5 to 9 exemplify embodiments which may be used e.g. with modules M wherein light radiation sources L are not exposed and/or individually perceivable from the outside, e.g. because they are sunk within the body of respective module M, made of a transparent material, e.g. a silicone material which is adapted to diffuse light radiation.
  • modules M which are well known in the prior art, and which therefore do not require a detailed description herein.
  • connector 10 may be implemented as a (once again as an approximately tubular) body which may be coupled to the mutually facing ends of modules M connected to each other.
  • connector 10 may be comprised of a light-permeable material (e.g. a transparent silicone material, e.g. similar to the material forming the body of modules M).
  • a light-permeable material e.g. a transparent silicone material, e.g. similar to the material forming the body of modules M.
  • connector 10 may comprise, between opposed ends 10a, 10b, a region 14 which emits a radiation propagating from sources L arranged on modules M, i.e. a region 14 which may merely serve as a waveguide (or, more generally, as a propagation path) for the light radiation emitted by light radiation sources L which are arranged at the mutually facing ends of modules M coupled to each other.
  • connector 10 there may be provided two power supply cables K1, K2 connected to electrical contacts 141, 142, which for example may be comprised of boards adapted to perform the transfer of a power supply from the electrically conductive lines which are arranged (according to a method known in itself) on the carriers of modules M, which are coupled via connector 10.
  • pitch uniformity may be provided in the arrangement of sources L and, in any case, a uniform distribution may be achieved for the light radiation flux emitted along the whole length of the device obtained by connecting a plurality of modules M.
  • a "passive" light emission region by providing, within connector body 10, between opposed ends 10a, 10b, a region wherefrom a light radiation propagates from sources L arranged on modules M.
  • This may consist for example of a front window 16 exposing those light radiation sources L which are located at the mutually facing ends of modules M being connected to each other.
  • power supply cables K1, K2 may be provided which are connected to metal contacts 141, 142, which may act as sliding contacts towards electrically conductive lines which are present (in a manner known in itself) on modules M coupled to each other, the ends whereof are inserted into connector body 10.
  • one or more embodiments as exemplified herein offer the advantage of enabling the connection of a wide range of modules M, without modifying the features thereof.
  • One or more embodiments as exemplified herein therefore, may easily be applied to a wide range of modules M already available on the market.
  • one or more embodiments may be used in combination both with modules M emitting white light and with modules M emitting coloured light.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (9)

  1. Un connecteur (10) destiné à connecter des extrémités se faisant mutuellement face de dispositifs d'éclairage allongés (M), le connecteur (10) comprenant un corps de connecteur avec des régions d'extrémité opposées (10a, 10b) pouvant être couplées auxdites extrémités se faisant face desdits dispositifs d'éclairage (M), le corps de connecteur comprenant une région d'émission de lumière (12, 14, 16) entre lesdites régions d'extrémité opposées (10a, 10b),
    caractérisé en ce que les dispositifs d'éclairage (M) sont des dispositifs d'éclairage en forme de ruban allongé (M) et en ce que le connecteur (10) comprend une ligne d'alimentation d'énergie électrique (K1, K2) comprenant des câbles électriques, la ligne d'alimentation d'énergie électrique ayant des contacts électriques (141, 142) destinés à coopérer avec lesdites extrémités se faisant mutuellement face desdits dispositifs d'éclairage (M).
  2. Le connecteur de la revendication 1, comprenant au moins une source de rayonnement lumineux (12) au niveau de ladite région d'émission de lumière.
  3. Le connecteur de la revendication 2, dans lequel ladite au moins une source de rayonnement lumineux (12) comprend une source de rayonnement lumineux électriquement alimentée, de préférence une source de rayonnement lumineux à semi-conducteurs, encore plus préférablement une source LED.
  4. Le connecteur de la revendication 3, comprenant un circuit de pilotage destiné à ladite source de rayonnement lumineux électriquement alimentée (12).
  5. Le connecteur de la revendication 1, dans lequel ladite région d'émission lumineuse du corps de connecteur comprend une région perméable à la lumière (14, 16) destinée à propager le rayonnement lumineux provenant desdits dispositifs d'éclairage (M).
  6. Le connecteur de la revendication 5, dans lequel ladite région perméable à la lumière comprend un matériau perméable à la lumière (14).
  7. Le connecteur de la revendication 5, dans lequel ladite région perméable à la lumière comprend une ouverture (16) dans ledit corps de connecteur.
  8. Le connecteur de la revendication 2 ou de la revendication 3, comprenant une ligne d'alimentation en énergie électrique (K1, K2) destinée à ladite au moins une source de rayonnement lumineux électriquement alimentée (12).
  9. Un procédé de connexion de régions d'extrémité se faisant mutuellement face de dispositifs d'éclairage allongés (M), le procédé comprenant :
    - l'obtention d'un connecteur (10) selon l'une des revendications 1 à 8, et
    - le couplage desdites extrémités se faisant mutuellement face desdites dispositifs d'éclairage (M) avec lesdites régions d'extrémité opposées (10a, 10b) dudit corps de connecteur (10).
EP16168178.8A 2015-05-12 2016-05-03 Connecteur pour un dispositif d'éclairage et procédé correspondant Active EP3093552B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB20150503 2015-05-12

Publications (2)

Publication Number Publication Date
EP3093552A1 EP3093552A1 (fr) 2016-11-16
EP3093552B1 true EP3093552B1 (fr) 2021-02-17

Family

ID=53794421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16168178.8A Active EP3093552B1 (fr) 2015-05-12 2016-05-03 Connecteur pour un dispositif d'éclairage et procédé correspondant

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US (1) US10775033B2 (fr)
EP (1) EP3093552B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105299508A (zh) * 2015-11-02 2016-02-03 中山市峰度照明电器有限公司 一种多功能的led模组拼接结构
EP3337302B1 (fr) * 2016-12-14 2021-09-29 OSRAM GmbH Structure de support pour dispositifs d'éclairage, dispositif et procédé d'éclairage correspondants
KR101791867B1 (ko) * 2017-07-24 2017-10-31 김장훈 밴딩형 ｌｅｄ바
TWI688308B (zh) * 2018-10-12 2020-03-11 聯嘉光電股份有限公司 均勻發光之ｌｅｄ線形光源元件及其方法
US10941930B2 (en) 2018-11-27 2021-03-09 Kichler Lighting, LLC Radially symmetric electrical connector
US10578261B1 (en) * 2019-02-02 2020-03-03 Guangdong Oml Technology Co., Ltd Light strip
EP4532982B1 (fr) * 2022-05-25 2026-02-18 Signify Holding B.V. Dispositif électronique comprenant un agencement de substrat allongé

Citations (1)

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Publication number Priority date Publication date Assignee Title
US20120001554A1 (en) * 2010-06-30 2012-01-05 Kevin Franklin Leadford Linear light fixtures

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US4413311A (en) * 1981-09-01 1983-11-01 Philip Orenstein Connection system for joining illuminated modules
DE19627856A1 (de) * 1996-07-11 1998-01-15 Happich Fahrzeug & Ind Teile Beleuchtungsleiste und Verfahren zur Herstellung
US7331681B2 (en) * 2001-09-07 2008-02-19 Litepanels Llc Lighting apparatus with adjustable lenses or filters
DE102005027371B4 (de) * 2005-06-14 2009-12-10 Ursula Denschlag Leuchtelementen-Bausatz
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DE102012208249A1 (de) * 2012-05-16 2013-11-21 Osram Gmbh Verbindungsmodul, Stromversorgungsmodul und Verbindungssatz für Leuchtbänder
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Patent Citations (1)

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US20120001554A1 (en) * 2010-06-30 2012-01-05 Kevin Franklin Leadford Linear light fixtures

Also Published As

Publication number Publication date
EP3093552A1 (fr) 2016-11-16
US10775033B2 (en) 2020-09-15
US20160334090A1 (en) 2016-11-17

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